🎁The Emperor gifts Aracus to House Atreides as a way to hide his involvement in their destruction and eliminate their growing influence.
🔮Duke Leto accepts the gift, aware of the danger, in hopes of negotiating an alliance with the Fremen.
💰Aracus is valuable because it is the only source of spice, a highly sought-after resource with addictive and scientific properties.
⚔️The Emperor fears Duke Leto's growing popularity and military strength, prompting him to plot his destruction.
🌍The Emperor doesn't claim Aracus for himself to maintain the balance of power among the houses.